As we travel round schools we have found that over half of existing growing areas are either unused or overgrown. This clearly demonstrates that without the necessary support structures in place there is little point in just chucking money at sites and expecting the right results. That's why every Garden Gorilla site will have either community involvement or a dedicated Plot Leader. The GG model of Build, Sustain, and Educate places equal importance on each of these three areas, but it is becoming increasingly evident that without a Plan to Sustain, projects will invariably fail